Finding the Fourth Proportional to 165,888,000.30, 248,832,000.45 and 122,889,830.70
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Solution
The fourth proportional to 165,888,000.30, 248,832,000.45 and 122,889,830.70 is: 184,334,746.05
Step by Step Solution
- Step 1: Write the proportion equation
165,888,000.30 : 248,832,000.45 = 122,889,830.70 : x - Step 2: Convert to fraction form
165,888,000.30/248,832,000.45 = 122,889,830.70/x - Step 3: Cross multiply
165,888,000.30x = 248,832,000.45 × 122,889,830.70 - Step 4: Simplify right side
165,888,000.30x = 30,578,922,408,042,824 - Step 5: Solve for x
x = 30,578,922,408,042,824/165,888,000.30 - Step 6: Final answer
x = 184,334,746.05
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.